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Institute Of Forestry, Huaihua, Hunan, China Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

October Air Quality Analysis

Institute Of Forestry, Huaihua, Hunan, China

2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
31st Oct 2024
107AQI
Lowest AQI recorded on
3rd Oct 2023
24AQI

Same Day Analysis (10th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 80 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 10th Oct - 11th Oct 2025

Institute Of Forestry, Huaihua, Hunan, China

AQI
Day
Night
.

6 AM10th Oct 2025

6 PM

5 AM11th Oct 2025

Day time
Avg. Highest Time
9AM10th Oct

88AQI

Avg. Lowest Time
6PM10th Oct

63AQI

Night time
Avg. Highest Time
1AM11th Oct

82AQI

Avg. Lowest Time
8PM10th Oct

60AQI

In the last 24 hours,

Institute Of Forestry's AQI reached its highest point of 88 at 9 AM during the Day, while the lowest point, 60, was recorded at 8 PM during the Night between 10th Oct and 11th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Institute Of Forestry, Huaihua, Hunan, China

SepOct
11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
11th Sep 2025586 AMAQI
11th Sep 2025597 AMAQI
11th Sep 2025568 AMAQI
11th Sep 2025549 AMAQI
11th Sep 20256010 AMAQI
11th Sep 20255911 AMAQI
11th Sep 20254612 PMAQI
11th Sep 2025381 PMAQI
11th Sep 2025352 PMAQI
11th Sep 2025403 PMAQI
11th Sep 2025484 PMAQI
11th Sep 2025345 PMAQI
11th Sep 2025286 PMAQI
11th Sep 2025447 PMAQI
11th Sep 2025538 PMAQI
11th Sep 2025579 PMAQI
11th Sep 20255610 PMAQI
11th Sep 20255611 PMAQI
12th Sep 20255612 AMAQI
12th Sep 2025581 AMAQI
12th Sep 2025582 AMAQI
12th Sep 2025573 AMAQI
12th Sep 2025564 AMAQI
12th Sep 2025575 AMAQI

26°C22/33°C

12th Sep 2025576 AMAQI
12th Sep 2025577 AMAQI
12th Sep 2025508 AMAQI
12th Sep 2025519 AMAQI
12th Sep 20255010 AMAQI
12th Sep 20254311 AMAQI
12th Sep 20254812 PMAQI
12th Sep 2025411 PMAQI
12th Sep 2025402 PMAQI
12th Sep 2025423 PMAQI
12th Sep 2025384 PMAQI
12th Sep 2025355 PMAQI
12th Sep 2025306 PMAQI
12th Sep 2025477 PMAQI
12th Sep 2025568 PMAQI
12th Sep 2025589 PMAQI
12th Sep 20255710 PMAQI
12th Sep 20255611 PMAQI
13th Sep 20255612 AMAQI
13th Sep 2025561 AMAQI
13th Sep 2025562 AMAQI
13th Sep 2025563 AMAQI
13th Sep 2025544 AMAQI
13th Sep 2025555 AMAQI

27°C24/32°C

13th Sep 2025546 AMAQI
13th Sep 2025547 AMAQI
13th Sep 2025538 AMAQI
13th Sep 2025499 AMAQI
13th Sep 20255510 AMAQI
13th Sep 20255511 AMAQI
13th Sep 20254612 PMAQI
13th Sep 2025441 PMAQI
13th Sep 2025422 PMAQI
13th Sep 2025413 PMAQI
13th Sep 2025324 PMAQI
13th Sep 2025405 PMAQI
13th Sep 2025406 PMAQI
13th Sep 2025507 PMAQI
13th Sep 2025548 PMAQI
13th Sep 2025559 PMAQI
13th Sep 20255610 PMAQI
13th Sep 20255411 PMAQI
14th Sep 20255512 AMAQI
14th Sep 2025541 AMAQI
14th Sep 2025552 AMAQI
14th Sep 2025543 AMAQI
14th Sep 2025534 AMAQI
14th Sep 2025545 AMAQI

26°C23/31°C

14th Sep 2025546 AMAQI
14th Sep 2025547 AMAQI
14th Sep 2025608 AMAQI
14th Sep 2025669 AMAQI
14th Sep 20256910 AMAQI
14th Sep 20256411 AMAQI
14th Sep 20255812 PMAQI
14th Sep 2025531 PMAQI
14th Sep 2025492 PMAQI
14th Sep 2025493 PMAQI
14th Sep 2025424 PMAQI
14th Sep 2025455 PMAQI
14th Sep 2025576 PMAQI
14th Sep 2025537 PMAQI
14th Sep 2025568 PMAQI
14th Sep 2025609 PMAQI
14th Sep 20256210 PMAQI
14th Sep 20256511 PMAQI
15th Sep 20255812 AMAQI
15th Sep 2025541 AMAQI
15th Sep 2025552 AMAQI
15th Sep 2025543 AMAQI
15th Sep 2025554 AMAQI
15th Sep 2025555 AMAQI

25°C22/32°C

15th Sep 2025556 AMAQI
15th Sep 2025557 AMAQI
15th Sep 2025698 AMAQI
15th Sep 2025749 AMAQI
15th Sep 20256010 AMAQI
15th Sep 20256011 AMAQI
15th Sep 20255412 PMAQI
15th Sep 2025461 PMAQI
15th Sep 2025502 PMAQI
15th Sep 2025403 PMAQI
15th Sep 2025394 PMAQI
15th Sep 2025455 PMAQI
15th Sep 2025506 PMAQI
15th Sep 2025537 PMAQI
15th Sep 2025558 PMAQI
15th Sep 2025579 PMAQI
15th Sep 20256110 PMAQI
15th Sep 20255711 PMAQI
16th Sep 20255512 AMAQI
16th Sep 2025561 AMAQI
16th Sep 2025552 AMAQI
16th Sep 2025563 AMAQI
16th Sep 2025564 AMAQI
16th Sep 2025565 AMAQI

27°C22/34°C

16th Sep 2025566 AMAQI
16th Sep 2025567 AMAQI
16th Sep 2025588 AMAQI
16th Sep 2025679 AMAQI
16th Sep 20256310 AMAQI
16th Sep 20255911 AMAQI
16th Sep 20254812 PMAQI
16th Sep 2025361 PMAQI
16th Sep 2025342 PMAQI
16th Sep 2025383 PMAQI
16th Sep 2025404 PMAQI
16th Sep 2025345 PMAQI
16th Sep 2025586 PMAQI
16th Sep 2025527 PMAQI
16th Sep 2025508 PMAQI
16th Sep 2025569 PMAQI
16th Sep 20255910 PMAQI
16th Sep 20256111 PMAQI
17th Sep 20256212 AMAQI
17th Sep 2025561 AMAQI
17th Sep 2025562 AMAQI
17th Sep 2025563 AMAQI
17th Sep 2025554 AMAQI
17th Sep 2025565 AMAQI

28°C22/35°C

17th Sep 2025566 AMAQI
17th Sep 2025557 AMAQI
17th Sep 2025578 AMAQI
17th Sep 2025619 AMAQI
17th Sep 20256310 AMAQI
17th Sep 20255811 AMAQI
17th Sep 20255212 PMAQI
17th Sep 2025551 PMAQI
17th Sep 2025562 PMAQI
17th Sep 2025553 PMAQI
17th Sep 2025544 PMAQI
17th Sep 2025535 PMAQI
17th Sep 2025446 PMAQI
17th Sep 2025517 PMAQI
17th Sep 2025588 PMAQI
17th Sep 2025589 PMAQI
17th Sep 20256410 PMAQI
17th Sep 20256211 PMAQI
18th Sep 20255912 AMAQI
18th Sep 2025581 AMAQI
18th Sep 2025572 AMAQI
18th Sep 2025573 AMAQI
18th Sep 2025574 AMAQI
18th Sep 2025585 AMAQI

28°C23/35°C

18th Sep 2025586 AMAQI
18th Sep 2025587 AMAQI
18th Sep 2025548 AMAQI
18th Sep 2025539 AMAQI
18th Sep 20254210 AMAQI
18th Sep 20254311 AMAQI
18th Sep 20255112 PMAQI
18th Sep 2025521 PMAQI
18th Sep 2025522 PMAQI
18th Sep 2025503 PMAQI
18th Sep 2025444 PMAQI
18th Sep 2025465 PMAQI
18th Sep 2025536 PMAQI
18th Sep 2025547 PMAQI
18th Sep 2025548 PMAQI
18th Sep 2025549 PMAQI
18th Sep 20255410 PMAQI
18th Sep 20255311 PMAQI
19th Sep 20255412 AMAQI
19th Sep 2025581 AMAQI
19th Sep 2025572 AMAQI
19th Sep 2025573 AMAQI
19th Sep 2025574 AMAQI
19th Sep 2025575 AMAQI

23°C20/25°C

19th Sep 2025576 AMAQI
19th Sep 2025567 AMAQI
19th Sep 2025528 AMAQI
19th Sep 2025469 AMAQI
19th Sep 20254510 AMAQI
19th Sep 20255211 AMAQI
19th Sep 20255912 PMAQI
19th Sep 2025561 PMAQI
19th Sep 2025572 PMAQI
19th Sep 2025573 PMAQI
19th Sep 2025554 PMAQI
19th Sep 2025565 PMAQI
19th Sep 2025576 PMAQI
19th Sep 2025617 PMAQI
19th Sep 2025598 PMAQI
19th Sep 2025589 PMAQI
19th Sep 20256010 PMAQI
19th Sep 20255411 PMAQI
20th Sep 20255012 AMAQI
20th Sep 2025571 AMAQI
20th Sep 2025572 AMAQI
20th Sep 2025573 AMAQI
20th Sep 2025564 AMAQI
20th Sep 2025565 AMAQI

22°C19/27°C

20th Sep 2025566 AMAQI
20th Sep 2025567 AMAQI
20th Sep 2025348 AMAQI
20th Sep 2025439 AMAQI
20th Sep 20254410 AMAQI
20th Sep 20255311 AMAQI
20th Sep 20254412 PMAQI
20th Sep 2025401 PMAQI
20th Sep 2025462 PMAQI
20th Sep 2025463 PMAQI
20th Sep 2025484 PMAQI
20th Sep 2025445 PMAQI
20th Sep 2025546 PMAQI
20th Sep 2025517 PMAQI
20th Sep 2025578 PMAQI
20th Sep 2025589 PMAQI
20th Sep 20255810 PMAQI
20th Sep 20255611 PMAQI
21st Sep 20255912 AMAQI
21st Sep 2025561 AMAQI
21st Sep 2025562 AMAQI
21st Sep 2025563 AMAQI
21st Sep 2025544 AMAQI
21st Sep 2025545 AMAQI

20°C16/25°C

21st Sep 2025546 AMAQI
21st Sep 2025547 AMAQI
21st Sep 2025538 AMAQI
21st Sep 2025579 AMAQI
21st Sep 20255410 AMAQI
21st Sep 20255411 AMAQI
21st Sep 20255812 PMAQI
21st Sep 2025621 PMAQI
21st Sep 2025622 PMAQI
21st Sep 2025533 PMAQI
21st Sep 2025584 PMAQI
21st Sep 2025575 PMAQI
21st Sep 2025546 PMAQI
21st Sep 2025547 PMAQI
21st Sep 2025568 PMAQI
21st Sep 2025609 PMAQI
21st Sep 20256010 PMAQI
21st Sep 20256011 PMAQI
22nd Sep 20255912 AMAQI
22nd Sep 2025561 AMAQI
22nd Sep 2025562 AMAQI
22nd Sep 2025553 AMAQI
22nd Sep 2025554 AMAQI
22nd Sep 2025555 AMAQI

19°C16/22°C

22nd Sep 2025556 AMAQI
22nd Sep 2025557 AMAQI
22nd Sep 2025578 AMAQI
22nd Sep 2025569 AMAQI
22nd Sep 20255810 AMAQI
22nd Sep 20255411 AMAQI
22nd Sep 20255212 PMAQI
22nd Sep 2025521 PMAQI
22nd Sep 2025512 PMAQI
22nd Sep 2025483 PMAQI
22nd Sep 2025364 PMAQI
22nd Sep 2025425 PMAQI
22nd Sep 2025556 PMAQI
22nd Sep 2025547 PMAQI
22nd Sep 2025588 PMAQI
22nd Sep 2025589 PMAQI
22nd Sep 20255810 PMAQI
22nd Sep 20255811 PMAQI
23rd Sep 20255712 AMAQI
23rd Sep 2025541 AMAQI
23rd Sep 2025552 AMAQI
23rd Sep 2025553 AMAQI
23rd Sep 2025554 AMAQI
23rd Sep 2025565 AMAQI

20°C18/22°C

23rd Sep 2025566 AMAQI
23rd Sep 2025557 AMAQI
23rd Sep 2025448 AMAQI
23rd Sep 2025489 AMAQI
23rd Sep 20255010 AMAQI
23rd Sep 20254811 AMAQI
23rd Sep 20254312 PMAQI
23rd Sep 2025431 PMAQI
23rd Sep 2025412 PMAQI
23rd Sep 2025363 PMAQI
23rd Sep 2025364 PMAQI
23rd Sep 2025325 PMAQI
23rd Sep 2025436 PMAQI
23rd Sep 2025497 PMAQI
23rd Sep 2025548 PMAQI
23rd Sep 2025549 PMAQI
23rd Sep 20255210 PMAQI
23rd Sep 20255211 PMAQI
24th Sep 20254812 AMAQI
24th Sep 2025541 AMAQI
24th Sep 2025542 AMAQI
24th Sep 2025543 AMAQI
24th Sep 2025534 AMAQI
24th Sep 2025535 AMAQI

21°C19/24°C

24th Sep 2025536 AMAQI
24th Sep 2025537 AMAQI
24th Sep 2025318 AMAQI
24th Sep 2025269 AMAQI
24th Sep 20253210 AMAQI
24th Sep 20253611 AMAQI
24th Sep 20252912 PMAQI
24th Sep 2025301 PMAQI
24th Sep 2025382 PMAQI
24th Sep 2025473 PMAQI
24th Sep 2025504 PMAQI
24th Sep 2025575 PMAQI
24th Sep 2025546 PMAQI
24th Sep 2025507 PMAQI
24th Sep 2025548 PMAQI
24th Sep 2025549 PMAQI
24th Sep 20255510 PMAQI
24th Sep 20255611 PMAQI
25th Sep 20255412 AMAQI
25th Sep 2025531 AMAQI
25th Sep 2025532 AMAQI
25th Sep 2025533 AMAQI
25th Sep 2025524 AMAQI
25th Sep 2025525 AMAQI

20°C18/23°C

25th Sep 2025506 AMAQI
25th Sep 2025517 AMAQI
25th Sep 2025538 AMAQI
25th Sep 2025409 AMAQI
25th Sep 20254910 AMAQI
25th Sep 20255411 AMAQI
25th Sep 20255212 PMAQI
25th Sep 2025411 PMAQI
25th Sep 2025402 PMAQI
25th Sep 2025313 PMAQI
25th Sep 2025284 PMAQI
25th Sep 2025345 PMAQI
25th Sep 2025466 PMAQI
25th Sep 2025477 PMAQI
25th Sep 2025448 PMAQI
25th Sep 2025479 PMAQI
25th Sep 20253310 PMAQI
25th Sep 20252511 PMAQI
26th Sep 20252212 AMAQI
26th Sep 2025171 AMAQI
26th Sep 2025152 AMAQI
26th Sep 2025133 AMAQI
26th Sep 2025184 AMAQI
26th Sep 2025205 AMAQI

18°C17/20°C

26th Sep 2025216 AMAQI
26th Sep 2025197 AMAQI
26th Sep 2025228 AMAQI
26th Sep 2025209 AMAQI
26th Sep 20252110 AMAQI
26th Sep 20252811 AMAQI
26th Sep 20252912 PMAQI
26th Sep 2025181 PMAQI
26th Sep 2025262 PMAQI
26th Sep 2025403 PMAQI
26th Sep 2025384 PMAQI
26th Sep 2025285 PMAQI
26th Sep 2025336 PMAQI
26th Sep 2025457 PMAQI
26th Sep 2025518 PMAQI
26th Sep 2025519 PMAQI
26th Sep 20254010 PMAQI
26th Sep 20253211 PMAQI
27th Sep 20251712 AMAQI
27th Sep 2025201 AMAQI
27th Sep 2025232 AMAQI
27th Sep 2025253 AMAQI
27th Sep 2025394 AMAQI
27th Sep 2025495 AMAQI

20°C18/23°C

27th Sep 2025426 AMAQI
27th Sep 2025377 AMAQI
27th Sep 2025358 AMAQI
27th Sep 2025449 AMAQI
27th Sep 20255510 AMAQI
27th Sep 20255411 AMAQI
27th Sep 20255112 PMAQI
27th Sep 2025531 PMAQI
27th Sep 2025502 PMAQI
27th Sep 2025423 PMAQI
27th Sep 2025394 PMAQI
27th Sep 2025405 PMAQI
27th Sep 2025476 PMAQI
27th Sep 2025567 PMAQI
27th Sep 2025648 PMAQI
27th Sep 2025669 PMAQI
27th Sep 20256910 PMAQI
27th Sep 20256911 PMAQI
28th Sep 20256712 AMAQI
28th Sep 2025651 AMAQI
28th Sep 2025612 AMAQI
28th Sep 2025593 AMAQI
28th Sep 2025564 AMAQI
28th Sep 2025555 AMAQI

24°C20/30°C

28th Sep 2025566 AMAQI
28th Sep 2025577 AMAQI
28th Sep 2025638 AMAQI
28th Sep 2025659 AMAQI
28th Sep 20256910 AMAQI
28th Sep 20257511 AMAQI
28th Sep 20257012 PMAQI
28th Sep 2025611 PMAQI
28th Sep 2025612 PMAQI
28th Sep 2025593 PMAQI
28th Sep 2025554 PMAQI
28th Sep 2025535 PMAQI
28th Sep 2025546 PMAQI
28th Sep 2025597 PMAQI
28th Sep 2025638 PMAQI
28th Sep 2025759 PMAQI
28th Sep 20258910 PMAQI
28th Sep 20258911 PMAQI
29th Sep 20258412 AMAQI
29th Sep 2025591 AMAQI
29th Sep 2025332 AMAQI
29th Sep 2025453 AMAQI
29th Sep 2025534 AMAQI
29th Sep 2025565 AMAQI

27°C21/33°C

29th Sep 2025606 AMAQI
29th Sep 2025667 AMAQI
29th Sep 2025728 AMAQI
29th Sep 2025769 AMAQI
29th Sep 20257210 AMAQI
29th Sep 20256311 AMAQI
29th Sep 20256512 PMAQI
29th Sep 2025641 PMAQI
29th Sep 2025442 PMAQI
29th Sep 2025563 PMAQI
29th Sep 2025454 PMAQI
29th Sep 2025235 PMAQI
29th Sep 2025176 PMAQI
29th Sep 2025177 PMAQI
29th Sep 2025238 PMAQI
29th Sep 2025289 PMAQI
29th Sep 20252810 PMAQI
29th Sep 20252211 PMAQI
30th Sep 20252712 AMAQI
30th Sep 2025351 AMAQI
30th Sep 2025402 AMAQI
30th Sep 2025223 AMAQI
30th Sep 2025154 AMAQI
30th Sep 2025175 AMAQI

25°C22/31°C

30th Sep 2025206 AMAQI
30th Sep 2025337 AMAQI
30th Sep 2025288 AMAQI
30th Sep 2025419 AMAQI
30th Sep 20254910 AMAQI
30th Sep 20253911 AMAQI
30th Sep 20254012 PMAQI
30th Sep 2025411 PMAQI
30th Sep 2025492 PMAQI
30th Sep 2025523 PMAQI
30th Sep 2025544 PMAQI
30th Sep 2025525 PMAQI
30th Sep 2025586 PMAQI
30th Sep 2025577 PMAQI
30th Sep 2025648 PMAQI
30th Sep 2025689 PMAQI
30th Sep 20256710 PMAQI
30th Sep 20257111 PMAQI
1st Oct 20257712 AMAQI
1st Oct 2025711 AMAQI
1st Oct 2025712 AMAQI
1st Oct 2025603 AMAQI
1st Oct 2025624 AMAQI
1st Oct 2025705 AMAQI

24°C21/28°C

1st Oct 2025746 AMAQI
1st Oct 2025707 AMAQI
1st Oct 2025798 AMAQI
1st Oct 2025749 AMAQI
1st Oct 20258010 AMAQI
1st Oct 20257611 AMAQI
1st Oct 20256512 PMAQI
1st Oct 2025661 PMAQI
1st Oct 2025652 PMAQI
1st Oct 2025643 PMAQI
1st Oct 2025644 PMAQI
1st Oct 2025755 PMAQI
1st Oct 2025846 PMAQI
1st Oct 2025787 PMAQI
1st Oct 2025858 PMAQI
1st Oct 2025789 PMAQI
1st Oct 20258110 PMAQI
1st Oct 20258311 PMAQI
2nd Oct 20258612 AMAQI
2nd Oct 2025741 AMAQI
2nd Oct 2025732 AMAQI
2nd Oct 2025723 AMAQI
2nd Oct 2025624 AMAQI
2nd Oct 2025525 AMAQI

25°C21/30°C

2nd Oct 2025546 AMAQI
2nd Oct 2025497 AMAQI
2nd Oct 2025508 AMAQI
2nd Oct 2025549 AMAQI
2nd Oct 20255310 AMAQI
2nd Oct 20255711 AMAQI
2nd Oct 20256112 PMAQI
2nd Oct 2025621 PMAQI
2nd Oct 2025532 PMAQI
2nd Oct 2025543 PMAQI
2nd Oct 2025544 PMAQI
2nd Oct 2025585 PMAQI
2nd Oct 2025666 PMAQI
2nd Oct 2025627 PMAQI
2nd Oct 2025668 PMAQI
2nd Oct 2025659 PMAQI
2nd Oct 20256810 PMAQI
2nd Oct 20256911 PMAQI
3rd Oct 20256912 AMAQI
3rd Oct 2025681 AMAQI
3rd Oct 2025732 AMAQI
3rd Oct 2025663 AMAQI
3rd Oct 2025624 AMAQI
3rd Oct 2025625 AMAQI

27°C22/33°C

3rd Oct 2025566 AMAQI
3rd Oct 2025547 AMAQI
3rd Oct 2025548 AMAQI
3rd Oct 2025559 AMAQI
3rd Oct 20255610 AMAQI
3rd Oct 20255511 AMAQI
3rd Oct 20255512 PMAQI
3rd Oct 2025561 PMAQI
3rd Oct 2025622 PMAQI
3rd Oct 2025643 PMAQI
3rd Oct 2025574 PMAQI
3rd Oct 2025595 PMAQI
3rd Oct 2025586 PMAQI
3rd Oct 2025457 PMAQI
3rd Oct 2025648 PMAQI
3rd Oct 2025749 PMAQI
3rd Oct 20259210 PMAQI
3rd Oct 20257711 PMAQI
4th Oct 20257612 AMAQI
4th Oct 2025771 AMAQI
4th Oct 2025682 AMAQI
4th Oct 2025633 AMAQI
4th Oct 2025634 AMAQI
4th Oct 2025665 AMAQI

27°C22/33°C

4th Oct 2025656 AMAQI
4th Oct 2025667 AMAQI
4th Oct 2025708 AMAQI
4th Oct 2025739 AMAQI
4th Oct 20257510 AMAQI
4th Oct 20258211 AMAQI
4th Oct 20258212 PMAQI
4th Oct 2025821 PMAQI
4th Oct 2025912 PMAQI
4th Oct 2025843 PMAQI
4th Oct 2025814 PMAQI
4th Oct 2025845 PMAQI
4th Oct 2025816 PMAQI
4th Oct 2025837 PMAQI
4th Oct 2025728 PMAQI
4th Oct 2025799 PMAQI
4th Oct 20258010 PMAQI
4th Oct 20257411 PMAQI
5th Oct 20257312 AMAQI
5th Oct 2025661 AMAQI
5th Oct 2025692 AMAQI
5th Oct 2025703 AMAQI
5th Oct 2025694 AMAQI
5th Oct 2025685 AMAQI

26°C20/31°C

5th Oct 2025716 AMAQI
5th Oct 2025707 AMAQI
5th Oct 2025708 AMAQI
5th Oct 2025699 AMAQI
5th Oct 20256810 AMAQI
5th Oct 20257111 AMAQI
5th Oct 20257012 PMAQI
5th Oct 2025781 PMAQI
5th Oct 2025742 PMAQI
5th Oct 2025783 PMAQI
5th Oct 2025854 PMAQI
5th Oct 2025925 PMAQI
5th Oct 2025896 PMAQI
5th Oct 2025887 PMAQI
5th Oct 2025908 PMAQI
5th Oct 2025939 PMAQI
5th Oct 202510310 PMAQI
5th Oct 202510511 PMAQI
6th Oct 202511612 AMAQI
6th Oct 20251191 AMAQI
6th Oct 20251142 AMAQI
6th Oct 2025993 AMAQI
6th Oct 2025934 AMAQI
6th Oct 2025965 AMAQI

27°C22/34°C

6th Oct 2025966 AMAQI
6th Oct 2025917 AMAQI
6th Oct 2025858 AMAQI
6th Oct 2025899 AMAQI
6th Oct 20258210 AMAQI
6th Oct 20257811 AMAQI
6th Oct 20257512 PMAQI
6th Oct 2025631 PMAQI
6th Oct 2025632 PMAQI
6th Oct 2025593 PMAQI
6th Oct 2025584 PMAQI
6th Oct 2025595 PMAQI
6th Oct 2025606 PMAQI
6th Oct 2025507 PMAQI
6th Oct 2025588 PMAQI
6th Oct 2025609 PMAQI
6th Oct 20256710 PMAQI
6th Oct 20256811 PMAQI
7th Oct 20256212 AMAQI
7th Oct 2025641 AMAQI

28°C22/34°C

7th Oct 2025557 PMAQI
7th Oct 2025558 PMAQI
7th Oct 2025649 PMAQI
7th Oct 20257010 PMAQI
7th Oct 20256711 PMAQI
8th Oct 20257512 AMAQI
8th Oct 2025741 AMAQI
8th Oct 2025782 AMAQI
8th Oct 2025813 AMAQI
8th Oct 2025814 AMAQI
8th Oct 2025755 AMAQI

28°C23/35°C

8th Oct 2025826 AMAQI
8th Oct 2025877 AMAQI
8th Oct 2025908 AMAQI
8th Oct 2025949 AMAQI
8th Oct 202511510 AMAQI
8th Oct 202511611 AMAQI
8th Oct 202511512 PMAQI
8th Oct 20251051 PMAQI
8th Oct 2025932 PMAQI
8th Oct 2025843 PMAQI
8th Oct 2025834 PMAQI
8th Oct 2025805 PMAQI
8th Oct 2025746 PMAQI
8th Oct 2025727 PMAQI
8th Oct 2025798 PMAQI
8th Oct 2025849 PMAQI
8th Oct 202510110 PMAQI
8th Oct 202510011 PMAQI
9th Oct 20258812 AMAQI
9th Oct 2025901 AMAQI
9th Oct 2025962 AMAQI
9th Oct 2025943 AMAQI
9th Oct 2025884 AMAQI
9th Oct 2025885 AMAQI

28°C23/34°C

9th Oct 2025846 AMAQI
9th Oct 2025847 AMAQI
9th Oct 2025928 AMAQI
9th Oct 2025879 AMAQI
9th Oct 20259010 AMAQI
9th Oct 20258711 AMAQI
9th Oct 20257712 PMAQI
9th Oct 2025681 PMAQI
9th Oct 2025592 PMAQI
9th Oct 2025603 PMAQI
9th Oct 2025604 PMAQI
9th Oct 2025595 PMAQI
9th Oct 2025606 PMAQI
9th Oct 2025597 PMAQI
9th Oct 2025578 PMAQI
9th Oct 2025649 PMAQI
9th Oct 20257310 PMAQI
9th Oct 20257311 PMAQI
10th Oct 20257512 AMAQI
10th Oct 2025811 AMAQI
10th Oct 2025822 AMAQI
10th Oct 2025823 AMAQI
10th Oct 2025824 AMAQI
10th Oct 2025765 AMAQI

28°C24/34°C

10th Oct 2025806 AMAQI
10th Oct 2025807 AMAQI
10th Oct 2025808 AMAQI
10th Oct 2025889 AMAQI
10th Oct 20258810 AMAQI
10th Oct 20258711 AMAQI
10th Oct 20258012 PMAQI
10th Oct 2025771 PMAQI
10th Oct 2025832 PMAQI
10th Oct 2025693 PMAQI
10th Oct 2025724 PMAQI
10th Oct 2025675 PMAQI
10th Oct 2025636 PMAQI
10th Oct 2025637 PMAQI
10th Oct 2025608 PMAQI
10th Oct 2025739 PMAQI
10th Oct 20257610 PMAQI
10th Oct 20258011 PMAQI
11th Oct 20258112 AMAQI
11th Oct 2025821 AMAQI
11th Oct 2025762 AMAQI
11th Oct 2025693 AMAQI
11th Oct 2025704 AMAQI
11th Oct 2025715 AMAQI

28°C24/35°C

11th Oct 2025726 AMAQI
6 AM
11th Oct 2025787 AMAQI
11th Oct 2025798 AMAQI
11th Oct 2025839 AMAQI
12 PM
6 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
9 AM - 11 AM

61AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
4 PM - 5 PM

51AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 11 AM (Avg. 61), while the lowest AQI was between 4 PM to 5 PM (Avg. 51).
Night time
Avg. Highest Time
10 PM

65AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM

55AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 10 PM (Avg. 65), while the lowest AQI was between 7 PM to 7 PM (Avg. 55).

2025 Days Vs Air Quality

Institute Of Forestry, Huaihua, Hunan, China

2025

16%

44

65%

184

14%

41

5%

14

Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)

Good
44 Days
Moderate
184 Days
Poor
41 Days
Unhealthy
14 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 16%

Health Risk Level:

Extreme

In 2025, 16% of 284 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.

Annual Air Quality Insights

Institute Of Forestry, Huaihua, Hunan, China

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
160AQI
2nd January 2025
153AQI
3rd January 2025
170AQI
4th January 2025
181AQI
5th January 2025
173AQI
6th January 2025
161AQI
7th January 2025
148AQI
8th January 2025
121AQI
9th January 2025
111AQI
10th January 2025
130AQI
11th January 2025
120AQI
12th January 2025
124AQI
13th January 2025
143AQI
14th January 2025
139AQI
15th January 2025
134AQI
16th January 2025
134AQI
17th January 2025
141AQI
18th January 2025
156AQI
19th January 2025
148AQI
20th January 2025
157AQI
21st January 2025
162AQI
22nd January 2025
174AQI
23rd January 2025
187AQI
24th January 2025
160AQI
25th January 2025
95AQI
26th January 2025
95AQI
27th January 2025
101AQI
28th January 2025
126AQI
29th January 2025
179AQI
30th January 2025
156AQI
31st January 2025
115AQI
1st February 2025
92AQI
2nd February 2025
79AQI
3rd February 2025
92AQI
4th February 2025
91AQI
5th February 2025
116AQI
6th February 2025
111AQI
7th February 2025
95AQI
8th February 2025
85AQI
9th February 2025
89AQI
10th February 2025
86AQI
11th February 2025
90AQI
12th February 2025
114AQI
13th February 2025
98AQI
14th February 2025
96AQI
15th February 2025
96AQI
16th February 2025
98AQI
17th February 2025
79AQI
18th February 2025
81AQI
19th February 2025
79AQI
20th February 2025
82AQI
21st February 2025
130AQI
22nd February 2025
63AQI
23rd February 2025
115AQI
24th February 2025
123AQI
25th February 2025
91AQI
26th February 2025
93AQI
27th February 2025
74AQI
28th February 2025
82AQI
1st March 2025
71AQI
2nd March 2025
73AQI
3rd March 2025
46AQI
4th March 2025
58AQI
5th March 2025
51AQI
6th March 2025
70AQI
7th March 2025
62AQI
8th March 2025
76AQI
9th March 2025
79AQI
10th March 2025
79AQI
11th March 2025
74AQI
12th March 2025
86AQI
13th March 2025
89AQI
14th March 2025
63AQI
15th March 2025
64AQI
16th March 2025
70AQI
17th March 2025
75AQI
18th March 2025
77AQI
19th March 2025
76AQI
20th March 2025
78AQI
21st March 2025
85AQI
22nd March 2025
106AQI
23rd March 2025
112AQI
24th March 2025
114AQI
25th March 2025
121AQI
26th March 2025
120AQI
27th March 2025
123AQI
28th March 2025
88AQI
29th March 2025
83AQI
30th March 2025
70AQI
31st March 2025
76AQI
1st April 2025
77AQI
2nd April 2025
84AQI
3rd April 2025
94AQI
4th April 2025
118AQI
5th April 2025
114AQI
6th April 2025
122AQI
7th April 2025
115AQI
8th April 2025
117AQI
9th April 2025
119AQI
10th April 2025
106AQI
11th April 2025
107AQI
12th April 2025
92AQI
13th April 2025
142AQI
14th April 2025
128AQI
15th April 2025
130AQI
16th April 2025
123AQI
17th April 2025
119AQI
18th April 2025
108AQI
19th April 2025
74AQI
20th April 2025
85AQI
21st April 2025
74AQI
22nd April 2025
75AQI
23rd April 2025
79AQI
24th April 2025
68AQI
25th April 2025
75AQI
26th April 2025
75AQI
27th April 2025
67AQI
28th April 2025
80AQI
29th April 2025
80AQI
30th April 2025
71AQI
1st May 2025
82AQI
2nd May 2025
88AQI
3rd May 2025
90AQI
4th May 2025
86AQI
5th May 2025
78AQI
6th May 2025
91AQI
7th May 2025
92AQI
8th May 2025
76AQI
9th May 2025
71AQI
10th May 2025
69AQI
11th May 2025
71AQI
12th May 2025
81AQI
13th May 2025
81AQI
14th May 2025
100AQI
15th May 2025
90AQI
16th May 2025
80AQI
17th May 2025
86AQI
18th May 2025
79AQI
19th May 2025
82AQI
20th May 2025
68AQI
21st May 2025
67AQI
22nd May 2025
59AQI
23rd May 2025
71AQI
24th May 2025
84AQI
25th May 2025
87AQI
26th May 2025
76AQI
27th May 2025
72AQI
28th May 2025
58AQI
29th May 2025
63AQI
30th May 2025
59AQI
31st May 2025
56AQI
1st June 2025
50AQI
2nd June 2025
58AQI
3rd June 2025
66AQI
4th June 2025
76AQI
5th June 2025
71AQI
6th June 2025
72AQI
7th June 2025
65AQI
8th June 2025
63AQI
9th June 2025
66AQI
10th June 2025
69AQI
11th June 2025
71AQI
12th June 2025
67AQI
13th June 2025
64AQI
14th June 2025
59AQI
15th June 2025
64AQI
16th June 2025
62AQI
17th June 2025
55AQI
18th June 2025
49AQI
19th June 2025
48AQI
20th June 2025
46AQI
21st June 2025
45AQI
22nd June 2025
36AQI
23rd June 2025
34AQI
24th June 2025
39AQI
25th June 2025
46AQI
26th June 2025
48AQI
27th June 2025
48AQI
28th June 2025
49AQI
29th June 2025
46AQI
30th June 2025
46AQI
1st July 2025
47AQI
2nd July 2025
40AQI
3rd July 2025
42AQI
4th July 2025
45AQI
5th July 2025
45AQI
6th July 2025
56AQI
7th July 2025
56AQI
8th July 2025
57AQI
9th July 2025
62AQI
10th July 2025
55AQI
11th July 2025
59AQI
12th July 2025
61AQI
13th July 2025
61AQI
14th July 2025
61AQI
15th July 2025
56AQI
16th July 2025
59AQI
17th July 2025
60AQI
18th July 2025
58AQI
19th July 2025
61AQI
20th July 2025
59AQI
21st July 2025
45AQI
22nd July 2025
42AQI
23rd July 2025
43AQI
24th July 2025
48AQI
25th July 2025
49AQI
26th July 2025
52AQI
27th July 2025
56AQI
28th July 2025
53AQI
29th July 2025
57AQI
30th July 2025
56AQI
31st July 2025
57AQI
1st August 2025
61AQI
2nd August 2025
64AQI
3rd August 2025
62AQI
4th August 2025
64AQI
5th August 2025
61AQI
6th August 2025
57AQI
7th August 2025
50AQI
8th August 2025
49AQI
9th August 2025
55AQI
10th August 2025
55AQI
11th August 2025
57AQI
12th August 2025
56AQI
13th August 2025
56AQI
14th August 2025
54AQI
15th August 2025
48AQI
16th August 2025
47AQI
17th August 2025
52AQI
18th August 2025
55AQI
19th August 2025
48AQI
20th August 2025
43AQI
21st August 2025
46AQI
22nd August 2025
47AQI
23rd August 2025
49AQI
24th August 2025
50AQI
25th August 2025
50AQI
26th August 2025
51AQI
27th August 2025
53AQI
28th August 2025
54AQI
29th August 2025
56AQI
30th August 2025
58AQI
31st August 2025
57AQI
1st September 2025
58AQI
2nd September 2025
59AQI
3rd September 2025
58AQI
4th September 2025
55AQI
5th September 2025
65AQI
6th September 2025
61AQI
7th September 2025
65AQI
8th September 2025
65AQI
9th September 2025
52AQI
10th September 2025
55AQI
11th September 2025
51AQI
12th September 2025
50AQI
13th September 2025
51AQI
14th September 2025
56AQI
15th September 2025
55AQI
16th September 2025
53AQI
17th September 2025
56AQI
18th September 2025
53AQI
19th September 2025
56AQI
20th September 2025
52AQI
21st September 2025
57AQI
22nd September 2025
54AQI
23rd September 2025
49AQI
24th September 2025
48AQI
25th September 2025
44AQI
26th September 2025
28AQI
27th September 2025
46AQI
28th September 2025
64AQI
29th September 2025
46AQI
30th September 2025
44AQI
1st October 2025
74AQI
2nd October 2025
62AQI
3rd October 2025
63AQI
4th October 2025
75AQI
5th October 2025
76AQI
6th October 2025
82AQI
7th October 2025
63AQI
8th October 2025
87AQI
9th October 2025
76AQI
10th October 2025
80AQI
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

144AQI

94AQI

81AQI

97AQI

77AQI

56AQI

53AQI

54AQI

54AQI

74AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202579AQI

2
15
14
22
6
1
24
6
16
14
31
14
16
10
21
11
20
8
22
10
44
184
41
14

Highest AQI recorded in

January

144AQI

Lowest AQI recorded in

July

53AQI

202473AQI

3
12
13
3
9
15
4
1
2
8
2
1
5
7
20
10
28
3
13
18
4
25
6
21
4
4
14
12
10
18
3
95
143
53
7

Highest AQI recorded in

December

120AQI

Lowest AQI recorded in

April

17AQI

202367AQI

1
7
10
3
6
10
12
8
15
8
9
17
4
9
21
1
17
13
29
2
22
9
17
13
15
16
4
20
2
6
15
6
4
143
158
43
7

Highest AQI recorded in

January

113AQI

Lowest AQI recorded in

July

38AQI

202198AQI

5
22
4
2
17
7
2
7
9
1
9
31
30
6

Highest AQI recorded in

January

126AQI

Lowest AQI recorded in

March

58AQI

202070AQI

3
6
3
1
4
10
7
3
14
1
21
9
21
10
23
8
21
8
1
10
15
6
6
11
11
2
7
15
9
112
98
44
12

Highest AQI recorded in

December

128AQI

Lowest AQI recorded in

July

44AQI

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2021(Avg.)
98AQI
Least Polluted Year Recorded
2023(Avg.)
67AQI

Institute Of Forestry's annual 2025 AQI (79) shows an average percentage change of 4.9% (worsened AQI) compared to previous years: 2020 (70), 2021 (98), 2023 (67), 2024 (73).